could anything have prevented the deaths of those americans in benghazi, libya? a stinging report has been released, and members of secretary of state hillary clinton's team have begun to resign. abc's senior foreign affairs correspondent martha raddatz has the truth behind the attack. >> reporter: we know how horrible the attack was, how heroic the fight to save lives, how heavy the loss. but today, with this searing report, we now know what could have been done to try to prevent it. the independent review cited failure after failure. security in benghazi, it said, was "grossly inadequate," "was not a high priority" in washington where "repeated requests" for more security went unheeded. >> frankly, the state department had not given benghazi the security, both physical and personnel resources, it needed. >> reporter: and today, three state department officials paid the price. resigning under pressure, eric boswell, assistant secretary for diplomatic security. his deputy, charlene lamb, responsible for embassy security. and an official from near east affairs. se